Jennifer Ann Oropeza was the California State Senator for the 28th district which included the cities of Carson, El Segundo, Hermosa Beach, Lomita, Manhattan Beach, Redondo Beach, and Torrance; the Los Angeles communities of Cheviot Hills, Bel Air, Harbor City, Harbor Gateway, Lennox, Mar Vista, Marina del Rey, Palms, Playa del Rey, Rancho Park, San Pedro, West Los Angeles, Westchester, Wilmington and Venice; and part of the city of Long Beach.

The 2010 California State Senate elections were held on November 2, 2010. Voters in the 20 even-numbered districts of the California State Senate voted for their representatives. Other elections were also held on November 2. No seats changed parties in this election.